PDB: 1pk4 Compound: Plasminogen kringle 4 Classification: HYDROLASE(SERINE PROTEASE) Entry date in PDB: 1993-10-31 Resolution [Å]: 1.90 R-Factor: 0.142

CHAIN: - SWISS-PROT/TREMBL: P00747    KEYWORD: 3D-structure    Blood coagulation    Disease mutation    Fibrinolysis    Glycoprotein    Hydrolase    Kringle    Phosphorylation    Plasma    Polymorphism    Repeat    Serine protease    Signal    Thrombophilia    Tissue remodeling    Zymogen    EC: 3.4.21.7 SCOP: g.14.1.1 Small proteins    Kringle-like    Kringle-like    Kringle modules    Plasminogen    Human (Homo sapiens) GO:  calcium ion binding    chymotrypsin activity    plasmin activity    thrombin activity    trypsin activity    blood coagulation    organismal physiological process    proteolysis and peptidolysis

Image Source: PDB

1i71 A - percentage of sequence identity: 77
3kiv - - percentage of sequence identity: 85